Swivel chair



1. Swivel chair

1.1 : Perspective

1.2 : Front

1.3 : Top

1.4 : Left

1.5 : Back

1.6 : Bottom

1.7 : Right

The broken lines illustrate environment and show portions of the swivel chair that form no part of the claimed design. 

CLAIM The ornamental design for a swivel chair, as shown and described. 